73. Is an agent authorized to sell goods, always authorized to collect for them?
74. Is an agent authorized to collect, authorized to take checks?
75. How should an agent authorized to sign a written instrument for his principal, sign?
76. May an agent authorized to sign a promissory note for his principal, sign his principal's name without his own?
77. An agent authorized to sign a written contract for his principal signs his own name followed by the word, agent; e.g., "A, Agent." Is the principal bound?
78. When, if at all, is an agent authorized to warrant the quality of personal property sold?
79. Define warranty.
80. Give an example of an agent who is impliedly authorized to warrant.
81. Do usage and custom have anything to do with the agent's implied authority to warrant?
82. Define factor, and give an example.